EP1704017A1 - Appareil laser portatif pour le marquage d'un objet - Google Patents

Appareil laser portatif pour le marquage d'un objet

Info

Publication number
EP1704017A1
EP1704017A1 EP04806122A EP04806122A EP1704017A1 EP 1704017 A1 EP1704017 A1 EP 1704017A1 EP 04806122 A EP04806122 A EP 04806122A EP 04806122 A EP04806122 A EP 04806122A EP 1704017 A1 EP1704017 A1 EP 1704017A1
Authority
EP
European Patent Office
Prior art keywords
laser
marking
laser beam
marking head
emitter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP04806122A
Other languages
German (de)
English (en)
Inventor
Geoffrey Francis Hart
John Thomas Bell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Retainagroup Ltd
Original Assignee
Retainagroup Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB0329334A external-priority patent/GB0329334D0/en
Application filed by Retainagroup Ltd filed Critical Retainagroup Ltd
Publication of EP1704017A1 publication Critical patent/EP1704017A1/fr
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/0006—Working by laser beam, e.g. welding, cutting or boring taking account of the properties of the material involved
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36—Removing material
    • B23K26/361—Removing material for deburring or mechanical trimming
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
    • B44B7/00—Machines, apparatus or hand tools for branding, e.g. using radiant energy such as laser beams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/04—Mounting of cameras operative during drive; Arrangement of controls thereof relative to the vehicle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/40—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by means of coilable or bendable legs or spiral shaped legs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/04—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or holding steady relative to, a person, e.g. by chains, e.g. rifle butt or pistol grip supports, supports attached to the chest or head
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/006—Vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/007—Marks, e.g. trade marks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/30—Organic material
    • B23K2103/42—Plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R2011/0042—Arrangements for holding or mounting articles, not otherwise provided for characterised by mounting means
    • B60R2011/008—Adjustable or movable supports
    • B60R2011/0085—Adjustable or movable supports with adjustment by rotation in their operational position
    • B60R2011/0089—Adjustable or movable supports with adjustment by rotation in their operational position around three axes, i.e. universally mounted
    • B60R2011/0091—Adjustable or movable supports with adjustment by rotation in their operational position around three axes, i.e. universally mounted the article being mounted on a flexible shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00—Details of stands or supports
    • F16M2200/04—Balancing means
    • F16M2200/044—Balancing means for balancing rotational movement of the undercarriage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00—Details of stands or supports
    • F16M2200/06—Arms
    • F16M2200/063—Parallelogram arms

Definitions

  • marking heads and laser emitters can now be manufactured at a sufficiently light weight to that they can be transported and operated by a single operator in a way which is very flexible.
  • a laser beam suitable for marking the interior or surface of an object can be generated in a movable laser beam emitter and delivered to a marking head which is movable with the respect to the laser beam emitter, being to delivered via a fibre optic cable for transmission of the laser beam.
  • a marking head which is movable with the respect to the laser beam emitter, being to delivered via a fibre optic cable for transmission of the laser beam.
  • the type of laser chosen will depend upon the object being marked.
  • a laser beam may be used which is not absorbed by glass but is absorbed by the organic interlayer.
  • the beam generated by a neodymium/YAG laser may be used.
  • the laser used in the present invention may also be used to mark other parts of the vehicle than the windows, including headlights, plastic parts, painted body work or alloy wheels trims.
  • the laser emitter is light weight. This allows the laser to be portable and preferably allows the laser to be carried by the operator.
  • the maximum weight of the laser emitter should not exceed 30 kilograms, being preferably 20 kilograms or less and suitably 10 kilograms or less.
  • the mark formed may be of any suitable type, for example an alpha numeric code of specified number of characters in a specified number of rows. Alternatively, it may comprise a graphic symbol, logo or other mark. In all cases, it is necessary to move the laser beam across the surface of the part of the object to be marked in two dimensions.
  • the mark may be formed in a dot matrix pattern by scanning the laser beam across the surface of the part of object to be marked in a rasterscan pattern. Alternatively, the characters can be scribed individually.
  • the marking head will require a supply of electrical power to drive it.
  • the electrical power may be provided by a battery pack.
  • the battery pack may be carried by the user or mounted for example with the laser emitter. However, the power is suitably provided by a cable connected to a stationary power supply as disclosed for the laser emitter described above.
  • it is particularly prefened to operate within the parameters 5-20 watts, with a duty cycle in the range 30-50% and a scanning speed in the range 3000-6000mm per second, more preferably operating at a power in the range 10-15 watts, with a duty cycle in the range 35-45% and the scanning speed in the range 4000-5000mm/s
  • the energy per unit length is in the range 0.5-2.0 joules per mm, more preferably 0.75-1.2 joules per mm more preferably 0.8-1.0 joules per mm. It has been found that, in order to mark window glass of vehicles, it is particularly prefened to use a carbon dioxide laser operating in the range 5-20 watts, more preferably around 10-15 watts.
  • the laser beam delivery means suitably comprises a plurality of laser beam conduit sections placed in sequence one after the other, each laser beam delivery conduit section being displaceable with respect to the adjacent laser beam conduit section around at least one and preferably two axes.
  • each laser beam delivery conduit section being displaceable with respect to the adjacent laser beam conduit section around at least one and preferably two axes.
  • a controller In order to control the operation of the laser emitter and the marking head to produce a required mark, a controller is required. Data may be input to the controller by input means.
  • input means may be provided for inputting to the controller the code required for each vehicle.
  • the code may be input manually, for example using a keyboard.
  • the code may be transmitted to the controller via a communications network such as the Internet or by dedicated communication lines such as telephone lines.
  • the controller may be provided with a scanner for reading information relating to the code to be marked on each vehicle.
  • the scanner may comprise a bar code reader of the sort well known in the art.
  • Figure 1 is schematic view of a first embodiment of apparatus according to the invention.
  • Figure 4 is a sketch view of a second embodiment of laser marking apparatus according to the invention, in use.
  • the switches 214 are provided as a safety feature. In practice, a further switch 214 is provided (not shown), the three switches 214 lying in a pattern which extends over two dimensions.
  • the control box 213 is configured such that it will only allow the laser to be fired if all of the switches 214 are depressed. This ensures that the laser may only be fired if the marking head 105 is in close contact with the surface of the window glass 204.
  • the vehicle marking data will comprise a vehicle identification number (a number assigned to each vehicle by an international organisation), a description of the vehicle (for example type of vehicle and colour), a code to be marked on the vehicle and the number of windows of the vehicle to be marked.
  • the processor 301 receives the vehicle marking data and stores it in the data store 306. When a vehicle is ready to be marked, an operator of the system will be able to input the vehicle identification number which will be marked on the vehicle. The operator may use the keyboard or a barcode reader in order to do this.
  • the processor 301 receives the vehicle identification or number of the vehicle to be marked, the processor checks in the data store 306 for a conesponding stored vehicle identification number.
  • the second embodiment of the invention comprises a laser emitter 401 and a marking head 402 which are integrally mounted.
  • Laser beam delivery means are provided between the laser emitter 401 and marking head 402.
  • the laser beam delivery means comprises a simple rigid conduit (not shown).
  • the weight of the camera assembly is prevented from pulling the arm sections down by lower arm casings which comprise a spring or other resilient means for resisting the weight of the sled pole and components.
  • the lower arm casing 418, 419 is in each case constructed as a parallelogram with the respective upper arm sink 409. In this way, the entire arm assembly will not move under the weight of the sled pole and the components alone, which can accordingly be moved by the operator exerting a light force on the assembly.
  • the parallelogram anangement allows the articulated arm to keep the end of the arm in a fixed orientation.
  • any jolts and jars caused by the operator's movement are effectively taken up by the movement of the articulated arm without transferring to the laser assembly. Tilting and other attitude alterations are resisted by the high moment of inertia of the sled pole assembly around the gimbal.
  • a power cable 422 for delivering power to the transformer 407 from a central power source 423. Data may be also sent to the data controller 406 via the cable 422 from the central unit 423.
  • a barcode reader 424 is shown for supplying data identifying the vehicle as marked.
  • the weight of the laser emitter and marking head is the same as in Figures 2 and 3.
  • the system for the control of the operation of the laser marking apparatus shown in figure 3 is substantially the same as shown in figure 3 above, using the same components 301, 302, 303, 304, 305, 306, 307 and 308.
  • the laser controller 307 conesponds to the central unit 423 shown in figure 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Laser Beam Processing (AREA)

Abstract

La présente invention a trait à un appareil et un procédé pour le marquage d'un objet, notamment un véhicule, par l'interruption du matériau de l'intérieur ou de la surface de l'objet. Le système comporte un émetteur laser (102), un moyen de délivrer un faisceau laser (104) qui peut être flexible, et une tête de marquage (105) qui est suffisamment légère pour être portée par un opérateur. Le système de marquage laser est très flexible en fonctionnement, permettant le marquage de plusieurs parties d'objets, notamment de véhicules.
EP04806122A 2003-12-18 2004-12-17 Appareil laser portatif pour le marquage d'un objet Ceased EP1704017A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0329334A GB0329334D0 (en) 2003-12-18 2003-12-18 Apparatus for marking an object
GB0407151A GB0407151D0 (en) 2003-12-18 2004-03-30 Apparatus for marking an object
PCT/GB2004/005319 WO2005058536A1 (fr) 2003-12-18 2004-12-17 Appareil laser portatif pour le marquage d'un objet

Publications (1)

Publication Number Publication Date
EP1704017A1 true EP1704017A1 (fr) 2006-09-27

Family

ID=34702515

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04806122A Ceased EP1704017A1 (fr) 2003-12-18 2004-12-17 Appareil laser portatif pour le marquage d'un objet

Country Status (3)

Country Link
US (1) US7397014B2 (fr)
EP (1) EP1704017A1 (fr)
WO (1) WO2005058536A1 (fr)

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US8436276B2 (en) * 2009-07-28 2013-05-07 The United States Of America As Represented By The Secretary Of The Navy Portable cutting device for breaching a barrier
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US8581771B2 (en) * 2009-07-28 2013-11-12 The United States Of America As Represented By The Secretary Of The Navy Scene illuminator
US9321128B2 (en) 2009-07-28 2016-04-26 The United States Of America As Represented By The Secretary Of The Navy High power laser system
US10880035B2 (en) 2009-07-28 2020-12-29 The United States Of America, As Represented By The Secretary Of The Navy Unauthorized electro-optics (EO) device detection and response system
US10112257B1 (en) 2010-07-09 2018-10-30 General Lasertronics Corporation Coating ablating apparatus with coating removal detection
US9895771B2 (en) 2012-02-28 2018-02-20 General Lasertronics Corporation Laser ablation for the environmentally beneficial removal of surface coatings
CN102700339B (zh) * 2012-05-10 2014-02-05 西北工业大学 一种刀具条码自适应换位标刻装置及方法
US10086597B2 (en) 2014-01-21 2018-10-02 General Lasertronics Corporation Laser film debonding method
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Also Published As

Publication number Publication date
US7397014B2 (en) 2008-07-08
WO2005058536A1 (fr) 2005-06-30
US20070131663A1 (en) 2007-06-14

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